2 BlueZ - Bluetooth protocol stack for Linux
3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
6 Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License version 2 as
10 published by the Free Software Foundation;
12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
13 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
15 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
16 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
17 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
18 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
19 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
22 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
23 SOFTWARE IS DISCLAIMED.
29 #include <linux/idr.h>
30 #include <linux/leds.h>
31 #include <linux/rculist.h>
33 #include <net/bluetooth/hci.h>
34 #include <net/bluetooth/hci_sync.h>
35 #include <net/bluetooth/hci_sock.h>
36 #include <net/bluetooth/coredump.h>
39 #define HCI_PRIO_MAX 7
41 /* HCI maximum id value */
42 #define HCI_MAX_ID 10000
44 /* HCI Core structures */
48 __u8 pscan_period_mode;
56 struct inquiry_entry {
57 struct list_head all; /* inq_cache.all */
58 struct list_head list; /* unknown or resolve */
66 struct inquiry_data data;
69 struct discovery_state {
78 struct list_head all; /* All devices found during inquiry */
79 struct list_head unknown; /* Name state not known */
80 struct list_head resolve; /* Name needs to be resolved */
82 bdaddr_t last_adv_addr;
83 u8 last_adv_addr_type;
86 u8 last_adv_data[HCI_MAX_EXT_AD_LENGTH];
88 bool report_invalid_rssi;
89 bool result_filtering;
94 unsigned long scan_start;
95 unsigned long scan_duration;
96 unsigned long name_resolve_timeout;
99 #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
102 SUSPEND_PAUSE_DISCOVERY,
103 SUSPEND_UNPAUSE_DISCOVERY,
105 SUSPEND_PAUSE_ADVERTISING,
106 SUSPEND_UNPAUSE_ADVERTISING,
108 SUSPEND_SCAN_DISABLE,
110 SUSPEND_DISCONNECTING,
112 SUSPEND_POWERING_DOWN,
114 SUSPEND_PREPARE_NOTIFIER,
116 SUSPEND_SET_ADV_FILTER,
120 enum suspended_state {
122 BT_SUSPEND_DISCONNECT,
123 BT_SUSPEND_CONFIGURE_WAKE,
126 struct hci_conn_hash {
127 struct list_head list;
128 unsigned int acl_num;
129 unsigned int amp_num;
130 unsigned int sco_num;
131 unsigned int iso_num;
133 unsigned int le_num_peripheral;
137 struct list_head list;
143 struct list_head list;
150 struct hci_codec_caps caps[];
153 struct bdaddr_list_with_irk {
154 struct list_head list;
161 /* Bitmask of connection flags */
162 enum hci_conn_flags {
163 HCI_CONN_FLAG_REMOTE_WAKEUP = 1,
164 HCI_CONN_FLAG_DEVICE_PRIVACY = 2,
166 typedef u8 hci_conn_flags_t;
168 struct bdaddr_list_with_flags {
169 struct list_head list;
172 hci_conn_flags_t flags;
176 struct list_head list;
183 struct list_head list;
198 struct list_head list;
212 struct list_head list;
222 struct list_head list;
228 u8 val[HCI_LINK_KEY_SIZE];
233 struct list_head list;
244 struct list_head list;
252 __u16 remaining_time;
255 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
256 bool adv_data_changed;
258 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
259 bool scan_rsp_changed;
260 __u16 per_adv_data_len;
261 __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH];
265 bdaddr_t random_addr;
267 struct delayed_work rpa_expired_cb;
270 #define HCI_MAX_ADV_INSTANCES 5
271 #define HCI_DEFAULT_ADV_DURATION 2
273 #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F
275 #define DATA_CMP(_d1, _l1, _d2, _l2) \
276 (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2)
278 #define ADV_DATA_CMP(_adv, _data, _len) \
279 DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len)
281 #define SCAN_RSP_CMP(_adv, _data, _len) \
282 DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len)
284 struct monitored_device {
285 struct list_head list;
294 struct list_head list;
298 __u8 value[HCI_MAX_EXT_AD_LENGTH];
301 struct adv_rssi_thresholds {
304 __u16 low_threshold_timeout;
305 __u16 high_threshold_timeout;
306 __u8 sampling_period;
310 struct list_head patterns;
311 struct adv_rssi_thresholds rssi;
315 ADV_MONITOR_STATE_NOT_REGISTERED,
316 ADV_MONITOR_STATE_REGISTERED,
317 ADV_MONITOR_STATE_OFFLOADED
321 #define HCI_MIN_ADV_MONITOR_HANDLE 1
322 #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32
323 #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16
324 #define HCI_ADV_MONITOR_EXT_NONE 1
325 #define HCI_ADV_MONITOR_EXT_MSFT 2
327 #define HCI_MAX_SHORT_NAME_LENGTH 10
329 #define HCI_CONN_HANDLE_MAX 0x0eff
330 #define HCI_CONN_HANDLE_UNSET(_handle) (_handle > HCI_CONN_HANDLE_MAX)
332 /* Min encryption key size to match with SMP */
333 #define HCI_MIN_ENC_KEY_SIZE 7
335 /* Default LE RPA expiry time, 15 minutes */
336 #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60)
338 /* Default min/max age of connection information (1s/3s) */
339 #define DEFAULT_CONN_INFO_MIN_AGE 1000
340 #define DEFAULT_CONN_INFO_MAX_AGE 3000
341 /* Default authenticated payload timeout 30s */
342 #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8
349 __u8 data[HCI_MAX_AMP_ASSOC_SIZE];
352 #define HCI_MAX_PAGES 3
355 struct list_head list;
358 struct ida unset_handle_ida;
367 bdaddr_t public_addr;
368 bdaddr_t random_addr;
369 bdaddr_t static_addr;
371 __u8 dev_name[HCI_MAX_NAME_LENGTH];
372 __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
373 __u8 eir[HCI_MAX_EIR_LENGTH];
379 __u8 features[HCI_MAX_PAGES][8];
381 __u8 le_accept_list_size;
382 __u8 le_resolv_list_size;
383 __u8 le_num_of_adv_sets;
385 __u8 mesh_ad_types[16];
395 __u16 stored_max_keys;
396 __u16 stored_num_keys;
399 __u8 err_data_reporting;
400 __u16 page_scan_interval;
401 __u16 page_scan_window;
403 __u8 le_adv_channel_map;
404 __u16 le_adv_min_interval;
405 __u16 le_adv_max_interval;
407 __u16 le_scan_interval;
408 __u16 le_scan_window;
409 __u16 le_scan_int_suspend;
410 __u16 le_scan_window_suspend;
411 __u16 le_scan_int_discovery;
412 __u16 le_scan_window_discovery;
413 __u16 le_scan_int_adv_monitor;
414 __u16 le_scan_window_adv_monitor;
415 __u16 le_scan_int_connect;
416 __u16 le_scan_window_connect;
417 __u16 le_conn_min_interval;
418 __u16 le_conn_max_interval;
419 __u16 le_conn_latency;
420 __u16 le_supv_timeout;
422 __u16 le_def_tx_time;
424 __u16 le_max_tx_time;
426 __u16 le_max_rx_time;
427 __u8 le_max_key_size;
428 __u8 le_min_key_size;
429 __u16 discov_interleaved_timeout;
430 __u16 conn_info_min_age;
431 __u16 conn_info_max_age;
432 __u16 auth_payload_timeout;
433 __u8 min_enc_key_size;
434 __u8 max_enc_key_size;
439 __u16 advmon_allowlist_duration;
440 __u16 advmon_no_filter_duration;
441 __u8 enable_advmon_interleave_scan;
448 __u8 def_page_scan_type;
449 __u16 def_page_scan_int;
450 __u16 def_page_scan_window;
451 __u8 def_inq_scan_type;
452 __u16 def_inq_scan_int;
453 __u16 def_inq_scan_window;
455 __u16 def_page_timeout;
456 __u16 def_multi_adv_rotation_duration;
457 __u16 def_le_autoconnect_timeout;
458 __s8 min_le_tx_power;
459 __s8 max_le_tx_power;
467 __u16 sniff_min_interval;
468 __u16 sniff_max_interval;
473 __u32 amp_min_latency;
477 __u16 amp_assoc_size;
478 __u32 amp_max_flush_to;
479 __u32 amp_be_flush_to;
481 struct amp_assoc loc_assoc;
485 unsigned int auto_accept_delay;
487 unsigned long quirks;
490 unsigned int acl_cnt;
491 unsigned int sco_cnt;
493 unsigned int iso_cnt;
495 unsigned int acl_mtu;
496 unsigned int sco_mtu;
498 unsigned int iso_mtu;
499 unsigned int acl_pkts;
500 unsigned int sco_pkts;
501 unsigned int le_pkts;
502 unsigned int iso_pkts;
509 unsigned long acl_last_tx;
510 unsigned long sco_last_tx;
511 unsigned long le_last_tx;
516 struct workqueue_struct *workqueue;
517 struct workqueue_struct *req_workqueue;
519 struct work_struct power_on;
520 struct delayed_work power_off;
521 struct work_struct error_reset;
522 struct work_struct cmd_sync_work;
523 struct list_head cmd_sync_work_list;
524 struct mutex cmd_sync_work_lock;
525 struct mutex unregister_lock;
526 struct work_struct cmd_sync_cancel_work;
527 struct work_struct reenable_adv_work;
529 __u16 discov_timeout;
530 struct delayed_work discov_off;
532 struct delayed_work service_cache;
534 struct delayed_work cmd_timer;
535 struct delayed_work ncmd_timer;
537 struct work_struct rx_work;
538 struct work_struct cmd_work;
539 struct work_struct tx_work;
541 struct delayed_work le_scan_disable;
542 struct delayed_work le_scan_restart;
544 struct sk_buff_head rx_q;
545 struct sk_buff_head raw_q;
546 struct sk_buff_head cmd_q;
548 struct sk_buff *sent_cmd;
549 struct sk_buff *recv_event;
551 struct mutex req_lock;
552 wait_queue_head_t req_wait_q;
555 struct sk_buff *req_skb;
558 void *smp_bredr_data;
560 struct discovery_state discovery;
562 int discovery_old_state;
563 bool discovery_paused;
564 int advertising_old_state;
565 bool advertising_paused;
567 struct notifier_block suspend_notifier;
568 enum suspended_state suspend_state_next;
569 enum suspended_state suspend_state;
570 bool scanning_paused;
576 struct hci_conn_hash conn_hash;
578 struct list_head mesh_pending;
579 struct list_head mgmt_pending;
580 struct list_head reject_list;
581 struct list_head accept_list;
582 struct list_head uuids;
583 struct list_head link_keys;
584 struct list_head long_term_keys;
585 struct list_head identity_resolving_keys;
586 struct list_head remote_oob_data;
587 struct list_head le_accept_list;
588 struct list_head le_resolv_list;
589 struct list_head le_conn_params;
590 struct list_head pend_le_conns;
591 struct list_head pend_le_reports;
592 struct list_head blocked_keys;
593 struct list_head local_codecs;
595 struct hci_dev_stats stat;
601 struct dentry *debugfs;
603 struct hci_devcoredump dump;
607 struct rfkill *rfkill;
609 DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
610 hci_conn_flags_t conn_flags;
613 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH];
615 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
616 __u8 scan_rsp_data_len;
617 __u8 per_adv_data[HCI_MAX_PER_AD_LENGTH];
618 __u8 per_adv_data_len;
620 struct list_head adv_instances;
621 unsigned int adv_instance_cnt;
622 __u8 cur_adv_instance;
623 __u16 adv_instance_timeout;
624 struct delayed_work adv_instance_expire;
626 struct idr adv_monitors_idr;
627 unsigned int adv_monitors_cnt;
631 struct delayed_work rpa_expired;
634 struct delayed_work mesh_send_done;
637 INTERLEAVE_SCAN_NONE,
638 INTERLEAVE_SCAN_NO_FILTER,
639 INTERLEAVE_SCAN_ALLOWLIST
640 } interleave_scan_state;
642 struct delayed_work interleave_scan;
644 struct list_head monitored_devices;
645 bool advmon_pend_notify;
647 #if IS_ENABLED(CONFIG_BT_LEDS)
648 struct led_trigger *power_led;
651 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
654 bool msft_curve_validity;
657 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
659 bool aosp_quality_report;
662 int (*open)(struct hci_dev *hdev);
663 int (*close)(struct hci_dev *hdev);
664 int (*flush)(struct hci_dev *hdev);
665 int (*setup)(struct hci_dev *hdev);
666 int (*shutdown)(struct hci_dev *hdev);
667 int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
668 void (*notify)(struct hci_dev *hdev, unsigned int evt);
669 void (*hw_error)(struct hci_dev *hdev, u8 code);
670 int (*post_init)(struct hci_dev *hdev);
671 int (*set_diag)(struct hci_dev *hdev, bool enable);
672 int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
673 void (*cmd_timeout)(struct hci_dev *hdev);
674 void (*reset)(struct hci_dev *hdev);
675 bool (*wakeup)(struct hci_dev *hdev);
676 int (*set_quality_report)(struct hci_dev *hdev, bool enable);
677 int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path);
678 int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type,
679 struct bt_codec *codec, __u8 *vnd_len,
683 #define HCI_PHY_HANDLE(handle) (handle & 0xff)
686 CONN_REASON_PAIR_DEVICE,
687 CONN_REASON_L2CAP_CHAN,
688 CONN_REASON_SCO_CONNECT,
689 CONN_REASON_ISO_CONNECT,
693 struct list_head list;
715 __u8 features[HCI_MAX_PAGES][8];
721 __u8 pending_sec_level;
725 __u32 passkey_notify;
726 __u8 passkey_entered;
730 __u16 auth_payload_timeout;
731 __u16 le_conn_min_interval;
732 __u16 le_conn_max_interval;
733 __u16 le_conn_interval;
734 __u16 le_conn_latency;
735 __u16 le_supv_timeout;
736 __u8 le_adv_data[HCI_MAX_EXT_AD_LENGTH];
737 __u8 le_adv_data_len;
738 __u8 le_per_adv_data[HCI_MAX_PER_AD_LENGTH];
739 __u8 le_per_adv_data_len;
745 struct bt_iso_qos iso_qos;
748 enum conn_reasons conn_reason;
752 __u16 clock_accuracy;
754 unsigned long conn_info_timestamp;
762 struct sk_buff_head data_q;
763 struct list_head chan_list;
765 struct delayed_work disc_work;
766 struct delayed_work auto_accept_work;
767 struct delayed_work idle_work;
768 struct delayed_work le_conn_timeout;
771 struct dentry *debugfs;
773 struct hci_dev *hdev;
777 struct amp_mgr *amp_mgr;
779 struct list_head link_list;
780 struct hci_conn *parent;
781 struct hci_link *link;
783 struct bt_codec codec;
785 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status);
786 void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
787 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason);
789 void (*cleanup)(struct hci_conn *conn);
793 struct list_head list;
794 struct hci_conn *conn;
798 struct list_head list;
800 struct hci_conn *conn;
801 struct sk_buff_head data_q;
807 struct hci_conn_params {
808 struct list_head list;
809 struct list_head action;
814 u16 conn_min_interval;
815 u16 conn_max_interval;
817 u16 supervision_timeout;
820 HCI_AUTO_CONN_DISABLED,
821 HCI_AUTO_CONN_REPORT,
822 HCI_AUTO_CONN_DIRECT,
823 HCI_AUTO_CONN_ALWAYS,
824 HCI_AUTO_CONN_LINK_LOSS,
825 HCI_AUTO_CONN_EXPLICIT,
828 struct hci_conn *conn;
829 bool explicit_connect;
830 /* Accessed without hdev->lock: */
831 hci_conn_flags_t flags;
835 extern struct list_head hci_dev_list;
836 extern struct list_head hci_cb_list;
837 extern rwlock_t hci_dev_list_lock;
838 extern struct mutex hci_cb_list_lock;
840 #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags)
841 #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags)
842 #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags)
843 #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags)
844 #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags)
845 #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags)
846 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
848 #define hci_dev_clear_volatile_flags(hdev) \
850 hci_dev_clear_flag(hdev, HCI_LE_SCAN); \
851 hci_dev_clear_flag(hdev, HCI_LE_ADV); \
852 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\
853 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \
854 hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); \
857 #define hci_dev_le_state_simultaneous(hdev) \
858 (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \
859 (hdev->le_states[4] & 0x08) && /* Central */ \
860 (hdev->le_states[4] & 0x40) && /* Peripheral */ \
861 (hdev->le_states[3] & 0x10)) /* Simultaneous */
863 /* ----- HCI interface to upper protocols ----- */
864 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
865 int l2cap_disconn_ind(struct hci_conn *hcon);
866 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
868 #if IS_ENABLED(CONFIG_BT_BREDR)
869 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
870 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
872 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
878 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
883 #if IS_ENABLED(CONFIG_BT_LE)
884 int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
885 void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
887 static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
892 static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb,
898 /* ----- Inquiry cache ----- */
899 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */
900 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */
902 static inline void discovery_init(struct hci_dev *hdev)
904 hdev->discovery.state = DISCOVERY_STOPPED;
905 INIT_LIST_HEAD(&hdev->discovery.all);
906 INIT_LIST_HEAD(&hdev->discovery.unknown);
907 INIT_LIST_HEAD(&hdev->discovery.resolve);
908 hdev->discovery.report_invalid_rssi = true;
909 hdev->discovery.rssi = HCI_RSSI_INVALID;
912 static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
914 hdev->discovery.result_filtering = false;
915 hdev->discovery.report_invalid_rssi = true;
916 hdev->discovery.rssi = HCI_RSSI_INVALID;
917 hdev->discovery.uuid_count = 0;
918 kfree(hdev->discovery.uuids);
919 hdev->discovery.uuids = NULL;
920 hdev->discovery.scan_start = 0;
921 hdev->discovery.scan_duration = 0;
924 bool hci_discovery_active(struct hci_dev *hdev);
926 void hci_discovery_set_state(struct hci_dev *hdev, int state);
928 static inline int inquiry_cache_empty(struct hci_dev *hdev)
930 return list_empty(&hdev->discovery.all);
933 static inline long inquiry_cache_age(struct hci_dev *hdev)
935 struct discovery_state *c = &hdev->discovery;
936 return jiffies - c->timestamp;
939 static inline long inquiry_entry_age(struct inquiry_entry *e)
941 return jiffies - e->timestamp;
944 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
946 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
948 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
951 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
952 struct inquiry_entry *ie);
953 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
955 void hci_inquiry_cache_flush(struct hci_dev *hdev);
957 /* ----- HCI Connections ----- */
960 HCI_CONN_REAUTH_PEND,
961 HCI_CONN_ENCRYPT_PEND,
962 HCI_CONN_RSWITCH_PEND,
963 HCI_CONN_MODE_CHANGE_PEND,
964 HCI_CONN_SCO_SETUP_PEND,
965 HCI_CONN_MGMT_CONNECTED,
966 HCI_CONN_SSP_ENABLED,
975 HCI_CONN_STK_ENCRYPT,
976 HCI_CONN_AUTH_INITIATOR,
979 HCI_CONN_PARAM_REMOVAL_PEND,
980 HCI_CONN_NEW_LINK_KEY,
982 HCI_CONN_AUTH_FAILURE,
984 HCI_CONN_BIG_CREATED,
987 HCI_CONN_BIG_SYNC_FAILED,
989 HCI_CONN_PA_SYNC_FAILED,
992 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
994 struct hci_dev *hdev = conn->hdev;
995 return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
996 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
999 static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
1001 struct hci_dev *hdev = conn->hdev;
1002 return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
1003 test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
1006 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
1008 struct hci_conn_hash *h = &hdev->conn_hash;
1009 list_add_tail_rcu(&c->list, &h->list);
1019 if (c->role == HCI_ROLE_SLAVE)
1020 h->le_num_peripheral++;
1032 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
1034 struct hci_conn_hash *h = &hdev->conn_hash;
1036 list_del_rcu(&c->list);
1048 if (c->role == HCI_ROLE_SLAVE)
1049 h->le_num_peripheral--;
1061 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
1063 struct hci_conn_hash *h = &hdev->conn_hash;
1081 static inline unsigned int hci_conn_count(struct hci_dev *hdev)
1083 struct hci_conn_hash *c = &hdev->conn_hash;
1085 return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num;
1088 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
1090 struct hci_conn_hash *h = &hdev->conn_hash;
1092 __u8 type = INVALID_LINK;
1096 list_for_each_entry_rcu(c, &h->list, list) {
1097 if (c->handle == handle) {
1108 static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
1109 bdaddr_t *ba, __u8 bis)
1111 struct hci_conn_hash *h = &hdev->conn_hash;
1116 list_for_each_entry_rcu(c, &h->list, list) {
1117 if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
1120 if (c->iso_qos.bcast.bis == bis) {
1130 static inline struct hci_conn *
1131 hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev,
1135 struct hci_conn_hash *h = &hdev->conn_hash;
1140 list_for_each_entry_rcu(c, &h->list, list) {
1141 if (bacmp(&c->dst, ba) || c->type != ISO_LINK ||
1142 !test_bit(HCI_CONN_PER_ADV, &c->flags))
1145 if (c->iso_qos.bcast.big == big &&
1146 c->iso_qos.bcast.bis == bis) {
1156 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
1159 struct hci_conn_hash *h = &hdev->conn_hash;
1164 list_for_each_entry_rcu(c, &h->list, list) {
1165 if (c->handle == handle) {
1175 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
1176 __u8 type, bdaddr_t *ba)
1178 struct hci_conn_hash *h = &hdev->conn_hash;
1183 list_for_each_entry_rcu(c, &h->list, list) {
1184 if (c->type == type && !bacmp(&c->dst, ba)) {
1195 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
1199 struct hci_conn_hash *h = &hdev->conn_hash;
1204 list_for_each_entry_rcu(c, &h->list, list) {
1205 if (c->type != LE_LINK)
1208 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
1219 static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
1225 struct hci_conn_hash *h = &hdev->conn_hash;
1230 list_for_each_entry_rcu(c, &h->list, list) {
1231 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1234 /* Match CIG ID if set */
1235 if (cig != c->iso_qos.ucast.cig)
1238 /* Match CIS ID if set */
1239 if (id != c->iso_qos.ucast.cis)
1242 /* Match destination address if set */
1243 if (!ba || (ba_type == c->dst_type && !bacmp(&c->dst, ba))) {
1254 static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
1257 struct hci_conn_hash *h = &hdev->conn_hash;
1262 list_for_each_entry_rcu(c, &h->list, list) {
1263 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1266 if (handle == c->iso_qos.ucast.cig) {
1277 static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
1280 struct hci_conn_hash *h = &hdev->conn_hash;
1285 list_for_each_entry_rcu(c, &h->list, list) {
1286 if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
1289 if (handle == c->iso_qos.bcast.big) {
1300 static inline struct hci_conn *
1301 hci_conn_hash_lookup_pa_sync_big_handle(struct hci_dev *hdev, __u8 big)
1303 struct hci_conn_hash *h = &hdev->conn_hash;
1308 list_for_each_entry_rcu(c, &h->list, list) {
1309 if (c->type != ISO_LINK ||
1310 !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1313 if (c->iso_qos.bcast.big == big) {
1323 static inline struct hci_conn *
1324 hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
1326 struct hci_conn_hash *h = &hdev->conn_hash;
1331 list_for_each_entry_rcu(c, &h->list, list) {
1332 if (c->type != ISO_LINK ||
1333 !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1336 if (c->sync_handle == sync_handle) {
1346 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
1347 __u8 type, __u16 state)
1349 struct hci_conn_hash *h = &hdev->conn_hash;
1354 list_for_each_entry_rcu(c, &h->list, list) {
1355 if (c->type == type && c->state == state) {
1366 typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data);
1367 static inline void hci_conn_hash_list_state(struct hci_dev *hdev,
1368 hci_conn_func_t func, __u8 type,
1369 __u16 state, void *data)
1371 struct hci_conn_hash *h = &hdev->conn_hash;
1379 list_for_each_entry_rcu(c, &h->list, list) {
1380 if (c->type == type && c->state == state)
1387 static inline void hci_conn_hash_list_flag(struct hci_dev *hdev,
1388 hci_conn_func_t func, __u8 type,
1389 __u8 flag, void *data)
1391 struct hci_conn_hash *h = &hdev->conn_hash;
1399 list_for_each_entry_rcu(c, &h->list, list) {
1400 if (c->type == type && test_bit(flag, &c->flags))
1407 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)
1409 struct hci_conn_hash *h = &hdev->conn_hash;
1414 list_for_each_entry_rcu(c, &h->list, list) {
1415 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1416 !test_bit(HCI_CONN_SCANNING, &c->flags)) {
1427 /* Returns true if an le connection is in the scanning state */
1428 static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
1430 struct hci_conn_hash *h = &hdev->conn_hash;
1435 list_for_each_entry_rcu(c, &h->list, list) {
1436 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1437 test_bit(HCI_CONN_SCANNING, &c->flags)) {
1448 int hci_disconnect(struct hci_conn *conn, __u8 reason);
1449 bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
1450 void hci_sco_setup(struct hci_conn *conn, __u8 status);
1451 bool hci_iso_setup_path(struct hci_conn *conn);
1452 int hci_le_create_cis_pending(struct hci_dev *hdev);
1453 int hci_conn_check_create_cis(struct hci_conn *conn);
1455 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
1456 u8 role, u16 handle);
1457 struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type,
1458 bdaddr_t *dst, u8 role);
1459 void hci_conn_del(struct hci_conn *conn);
1460 void hci_conn_hash_flush(struct hci_dev *hdev);
1461 void hci_conn_check_pending(struct hci_dev *hdev);
1463 struct hci_chan *hci_chan_create(struct hci_conn *conn);
1464 void hci_chan_del(struct hci_chan *chan);
1465 void hci_chan_list_flush(struct hci_conn *conn);
1466 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
1468 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
1469 u8 dst_type, u8 sec_level,
1471 enum conn_reasons conn_reason);
1472 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
1473 u8 dst_type, bool dst_resolved, u8 sec_level,
1474 u16 conn_timeout, u8 role);
1475 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
1476 u8 sec_level, u8 auth_type,
1477 enum conn_reasons conn_reason);
1478 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
1479 __u16 setting, struct bt_codec *codec);
1480 struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
1481 __u8 dst_type, struct bt_iso_qos *qos);
1482 struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
1483 struct bt_iso_qos *qos,
1484 __u8 base_len, __u8 *base);
1485 struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
1486 __u8 dst_type, struct bt_iso_qos *qos);
1487 struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
1488 __u8 dst_type, struct bt_iso_qos *qos,
1489 __u8 data_len, __u8 *data);
1490 int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
1491 __u8 sid, struct bt_iso_qos *qos);
1492 int hci_le_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,
1493 struct bt_iso_qos *qos,
1494 __u16 sync_handle, __u8 num_bis, __u8 bis[]);
1495 int hci_conn_check_link_mode(struct hci_conn *conn);
1496 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
1497 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
1499 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1501 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1503 void hci_conn_failed(struct hci_conn *conn, u8 status);
1504 u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle);
1507 * hci_conn_get() and hci_conn_put() are used to control the life-time of an
1508 * "hci_conn" object. They do not guarantee that the hci_conn object is running,
1509 * working or anything else. They just guarantee that the object is available
1510 * and can be dereferenced. So you can use its locks, local variables and any
1511 * other constant data.
1512 * Before accessing runtime data, you _must_ lock the object and then check that
1513 * it is still running. As soon as you release the locks, the connection might
1514 * get dropped, though.
1516 * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control
1517 * how long the underlying connection is held. So every channel that runs on the
1518 * hci_conn object calls this to prevent the connection from disappearing. As
1519 * long as you hold a device, you must also guarantee that you have a valid
1520 * reference to the device via hci_conn_get() (or the initial reference from
1522 * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't
1523 * break because nobody cares for that. But this means, we cannot use
1524 * _get()/_drop() in it, but require the caller to have a valid ref (FIXME).
1527 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)
1529 get_device(&conn->dev);
1533 static inline void hci_conn_put(struct hci_conn *conn)
1535 put_device(&conn->dev);
1538 static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn)
1540 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1542 atomic_inc(&conn->refcnt);
1543 cancel_delayed_work(&conn->disc_work);
1548 static inline void hci_conn_drop(struct hci_conn *conn)
1550 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1552 if (atomic_dec_and_test(&conn->refcnt)) {
1553 unsigned long timeo;
1555 switch (conn->type) {
1558 cancel_delayed_work(&conn->idle_work);
1559 if (conn->state == BT_CONNECTED) {
1560 timeo = conn->disc_timeout;
1569 timeo = conn->disc_timeout;
1577 cancel_delayed_work(&conn->disc_work);
1578 queue_delayed_work(conn->hdev->workqueue,
1579 &conn->disc_work, timeo);
1583 /* ----- HCI Devices ----- */
1584 static inline void hci_dev_put(struct hci_dev *d)
1586 BT_DBG("%s orig refcnt %d", d->name,
1587 kref_read(&d->dev.kobj.kref));
1589 put_device(&d->dev);
1592 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1594 BT_DBG("%s orig refcnt %d", d->name,
1595 kref_read(&d->dev.kobj.kref));
1597 get_device(&d->dev);
1601 #define hci_dev_lock(d) mutex_lock(&d->lock)
1602 #define hci_dev_unlock(d) mutex_unlock(&d->lock)
1604 #define to_hci_dev(d) container_of(d, struct hci_dev, dev)
1605 #define to_hci_conn(c) container_of(c, struct hci_conn, dev)
1607 static inline void *hci_get_drvdata(struct hci_dev *hdev)
1609 return dev_get_drvdata(&hdev->dev);
1612 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
1614 dev_set_drvdata(&hdev->dev, data);
1617 static inline void *hci_get_priv(struct hci_dev *hdev)
1619 return (char *)hdev + sizeof(*hdev);
1622 struct hci_dev *hci_dev_get(int index);
1623 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);
1625 struct hci_dev *hci_alloc_dev_priv(int sizeof_priv);
1627 static inline struct hci_dev *hci_alloc_dev(void)
1629 return hci_alloc_dev_priv(0);
1632 void hci_free_dev(struct hci_dev *hdev);
1633 int hci_register_dev(struct hci_dev *hdev);
1634 void hci_unregister_dev(struct hci_dev *hdev);
1635 void hci_release_dev(struct hci_dev *hdev);
1636 int hci_register_suspend_notifier(struct hci_dev *hdev);
1637 int hci_unregister_suspend_notifier(struct hci_dev *hdev);
1638 int hci_suspend_dev(struct hci_dev *hdev);
1639 int hci_resume_dev(struct hci_dev *hdev);
1640 int hci_reset_dev(struct hci_dev *hdev);
1641 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
1642 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
1643 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
1644 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
1646 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
1648 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
1649 hdev->msft_opcode = opcode;
1653 static inline void hci_set_aosp_capable(struct hci_dev *hdev)
1655 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
1656 hdev->aosp_capable = true;
1660 static inline void hci_devcd_setup(struct hci_dev *hdev)
1662 #ifdef CONFIG_DEV_COREDUMP
1663 INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx);
1664 INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout);
1665 skb_queue_head_init(&hdev->dump.dump_q);
1669 int hci_dev_open(__u16 dev);
1670 int hci_dev_close(__u16 dev);
1671 int hci_dev_do_close(struct hci_dev *hdev);
1672 int hci_dev_reset(__u16 dev);
1673 int hci_dev_reset_stat(__u16 dev);
1674 int hci_dev_cmd(unsigned int cmd, void __user *arg);
1675 int hci_get_dev_list(void __user *arg);
1676 int hci_get_dev_info(void __user *arg);
1677 int hci_get_conn_list(void __user *arg);
1678 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
1679 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1680 int hci_inquiry(void __user *arg);
1682 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
1683 bdaddr_t *bdaddr, u8 type);
1684 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
1685 struct list_head *list, bdaddr_t *bdaddr,
1687 struct bdaddr_list_with_flags *
1688 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1690 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1691 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1692 u8 type, u8 *peer_irk, u8 *local_irk);
1693 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1694 u8 type, u32 flags);
1695 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1696 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1698 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1700 void hci_bdaddr_list_clear(struct list_head *list);
1702 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
1703 bdaddr_t *addr, u8 addr_type);
1704 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
1705 bdaddr_t *addr, u8 addr_type);
1706 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
1707 void hci_conn_params_clear_disabled(struct hci_dev *hdev);
1708 void hci_conn_params_free(struct hci_conn_params *param);
1710 void hci_pend_le_list_del_init(struct hci_conn_params *param);
1711 void hci_pend_le_list_add(struct hci_conn_params *param,
1712 struct list_head *list);
1713 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
1717 void hci_uuids_clear(struct hci_dev *hdev);
1719 void hci_link_keys_clear(struct hci_dev *hdev);
1720 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1721 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
1722 bdaddr_t *bdaddr, u8 *val, u8 type,
1723 u8 pin_len, bool *persistent);
1724 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1725 u8 addr_type, u8 type, u8 authenticated,
1726 u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
1727 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1728 u8 addr_type, u8 role);
1729 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
1730 void hci_smp_ltks_clear(struct hci_dev *hdev);
1731 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1733 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);
1734 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
1736 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1737 u8 addr_type, u8 val[16], bdaddr_t *rpa);
1738 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
1739 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]);
1740 void hci_blocked_keys_clear(struct hci_dev *hdev);
1741 void hci_smp_irks_clear(struct hci_dev *hdev);
1743 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1745 void hci_remote_oob_data_clear(struct hci_dev *hdev);
1746 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
1747 bdaddr_t *bdaddr, u8 bdaddr_type);
1748 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1749 u8 bdaddr_type, u8 *hash192, u8 *rand192,
1750 u8 *hash256, u8 *rand256);
1751 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1754 void hci_adv_instances_clear(struct hci_dev *hdev);
1755 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);
1756 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);
1757 struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance,
1758 u32 flags, u16 adv_data_len, u8 *adv_data,
1759 u16 scan_rsp_len, u8 *scan_rsp_data,
1760 u16 timeout, u16 duration, s8 tx_power,
1761 u32 min_interval, u32 max_interval,
1763 struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance,
1764 u32 flags, u8 data_len, u8 *data,
1765 u32 min_interval, u32 max_interval);
1766 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
1767 u16 adv_data_len, u8 *adv_data,
1768 u16 scan_rsp_len, u8 *scan_rsp_data);
1769 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
1770 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
1771 u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance);
1772 bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance);
1774 void hci_adv_monitors_clear(struct hci_dev *hdev);
1775 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1776 int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1777 int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle);
1778 int hci_remove_all_adv_monitor(struct hci_dev *hdev);
1779 bool hci_is_adv_monitoring(struct hci_dev *hdev);
1780 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev);
1782 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
1784 void hci_init_sysfs(struct hci_dev *hdev);
1785 void hci_conn_init_sysfs(struct hci_conn *conn);
1786 void hci_conn_add_sysfs(struct hci_conn *conn);
1787 void hci_conn_del_sysfs(struct hci_conn *conn);
1789 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1790 #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent)
1792 /* ----- LMP capabilities ----- */
1793 #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT)
1794 #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH)
1795 #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD)
1796 #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF)
1797 #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK)
1798 #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ)
1799 #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO)
1800 #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR))
1801 #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE)
1802 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)
1803 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)
1804 #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M)
1805 #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ)
1806 #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))
1807 #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR)
1808 #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH)
1809 #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO)
1810 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)
1811 #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES)
1812 #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT)
1813 #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M)
1814 #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M)
1815 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT)
1816 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT)
1818 /* ----- Extended LMP capabilities ----- */
1819 #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL)
1820 #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL)
1821 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)
1822 #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN)
1823 #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC)
1824 #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING)
1826 /* ----- Host capabilities ----- */
1827 #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP)
1828 #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC)
1829 #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE))
1830 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
1832 #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \
1833 !hci_dev_test_flag(dev, HCI_AUTO_OFF))
1834 #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \
1835 hci_dev_test_flag(dev, HCI_SC_ENABLED))
1836 #define rpa_valid(dev) (bacmp(&dev->rpa, BDADDR_ANY) && \
1837 !hci_dev_test_flag(dev, HCI_RPA_EXPIRED))
1838 #define adv_rpa_valid(adv) (bacmp(&adv->random_addr, BDADDR_ANY) && \
1841 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \
1842 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M))
1844 #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M))
1846 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \
1847 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M))
1849 #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED) && \
1850 !test_bit(HCI_QUIRK_BROKEN_LE_CODED, \
1853 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
1854 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
1856 #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
1858 /* Use LL Privacy based address resolution if supported */
1859 #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \
1860 hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY))
1862 #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \
1863 (hdev->commands[39] & 0x04))
1865 /* Use enhanced synchronous connection if command is supported and its quirk
1868 #define enhanced_sync_conn_capable(dev) \
1869 (((dev)->commands[29] & 0x08) && \
1870 !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks))
1872 /* Use ext scanning if set ext scan param and ext scan enable is supported */
1873 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
1874 ((dev)->commands[37] & 0x40) && \
1875 !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks))
1877 /* Use ext create connection if command is supported */
1878 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80)
1880 /* Extended advertising support */
1881 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))
1883 /* Maximum advertising length */
1884 #define max_adv_len(dev) \
1885 (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH)
1887 /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789:
1889 * C24: Mandatory if the LE Controller supports Connection State and either
1890 * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported
1892 #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \
1893 ext_adv_capable(dev))
1895 /* Periodic advertising support */
1896 #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))
1898 /* CIS Master/Slave and BIS support */
1899 #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev))
1900 #define cis_capable(dev) \
1901 (cis_central_capable(dev) || cis_peripheral_capable(dev))
1902 #define cis_central_capable(dev) \
1903 ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL)
1904 #define cis_peripheral_capable(dev) \
1905 ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL)
1906 #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER)
1907 #define sync_recv_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_SYNC_RECEIVER)
1909 #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \
1910 (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks)))
1912 /* ----- HCI protocols ----- */
1913 #define HCI_PROTO_DEFER 0x01
1915 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
1916 __u8 type, __u8 *flags)
1920 return l2cap_connect_ind(hdev, bdaddr);
1924 return sco_connect_ind(hdev, bdaddr, flags);
1927 return iso_connect_ind(hdev, bdaddr, flags);
1930 BT_ERR("unknown link type %d", type);
1935 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
1937 if (conn->type != ACL_LINK && conn->type != LE_LINK)
1938 return HCI_ERROR_REMOTE_USER_TERM;
1940 return l2cap_disconn_ind(conn);
1943 /* ----- HCI callbacks ----- */
1945 struct list_head list;
1949 void (*connect_cfm) (struct hci_conn *conn, __u8 status);
1950 void (*disconn_cfm) (struct hci_conn *conn, __u8 status);
1951 void (*security_cfm) (struct hci_conn *conn, __u8 status,
1953 void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
1954 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
1957 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
1961 mutex_lock(&hci_cb_list_lock);
1962 list_for_each_entry(cb, &hci_cb_list, list) {
1963 if (cb->connect_cfm)
1964 cb->connect_cfm(conn, status);
1966 mutex_unlock(&hci_cb_list_lock);
1968 if (conn->connect_cfm_cb)
1969 conn->connect_cfm_cb(conn, status);
1972 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
1976 mutex_lock(&hci_cb_list_lock);
1977 list_for_each_entry(cb, &hci_cb_list, list) {
1978 if (cb->disconn_cfm)
1979 cb->disconn_cfm(conn, reason);
1981 mutex_unlock(&hci_cb_list_lock);
1983 if (conn->disconn_cfm_cb)
1984 conn->disconn_cfm_cb(conn, reason);
1987 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
1992 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
1995 encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
1997 mutex_lock(&hci_cb_list_lock);
1998 list_for_each_entry(cb, &hci_cb_list, list) {
1999 if (cb->security_cfm)
2000 cb->security_cfm(conn, status, encrypt);
2002 mutex_unlock(&hci_cb_list_lock);
2004 if (conn->security_cfm_cb)
2005 conn->security_cfm_cb(conn, status);
2008 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
2013 if (conn->state == BT_CONFIG) {
2015 conn->state = BT_CONNECTED;
2017 hci_connect_cfm(conn, status);
2018 hci_conn_drop(conn);
2022 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2024 else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
2030 if (conn->sec_level == BT_SECURITY_SDP)
2031 conn->sec_level = BT_SECURITY_LOW;
2033 if (conn->pending_sec_level > conn->sec_level)
2034 conn->sec_level = conn->pending_sec_level;
2037 mutex_lock(&hci_cb_list_lock);
2038 list_for_each_entry(cb, &hci_cb_list, list) {
2039 if (cb->security_cfm)
2040 cb->security_cfm(conn, status, encrypt);
2042 mutex_unlock(&hci_cb_list_lock);
2044 if (conn->security_cfm_cb)
2045 conn->security_cfm_cb(conn, status);
2048 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
2052 mutex_lock(&hci_cb_list_lock);
2053 list_for_each_entry(cb, &hci_cb_list, list) {
2054 if (cb->key_change_cfm)
2055 cb->key_change_cfm(conn, status);
2057 mutex_unlock(&hci_cb_list_lock);
2060 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
2065 mutex_lock(&hci_cb_list_lock);
2066 list_for_each_entry(cb, &hci_cb_list, list) {
2067 if (cb->role_switch_cfm)
2068 cb->role_switch_cfm(conn, status, role);
2070 mutex_unlock(&hci_cb_list_lock);
2073 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
2075 if (addr_type != ADDR_LE_DEV_RANDOM)
2078 if ((bdaddr->b[5] & 0xc0) == 0x40)
2084 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
2086 if (addr_type == ADDR_LE_DEV_PUBLIC)
2089 /* Check for Random Static address type */
2090 if ((addr->b[5] & 0xc0) == 0xc0)
2096 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
2097 bdaddr_t *bdaddr, u8 addr_type)
2099 if (!hci_bdaddr_is_rpa(bdaddr, addr_type))
2102 return hci_find_irk_by_rpa(hdev, bdaddr);
2105 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
2110 if (min > max || min < 6 || max > 3200)
2113 if (to_multiplier < 10 || to_multiplier > 3200)
2116 if (max >= to_multiplier * 8)
2119 max_latency = (to_multiplier * 4 / max) - 1;
2120 if (latency > 499 || latency > max_latency)
2126 int hci_register_cb(struct hci_cb *hcb);
2127 int hci_unregister_cb(struct hci_cb *hcb);
2129 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,
2132 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
2134 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
2135 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
2136 void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb);
2138 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
2139 void *hci_recv_event_data(struct hci_dev *hdev, __u8 event);
2141 u32 hci_conn_get_phy(struct hci_conn *conn);
2143 /* ----- HCI Sockets ----- */
2144 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
2145 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,
2146 int flag, struct sock *skip_sk);
2147 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
2148 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event,
2149 void *data, u16 data_len, ktime_t tstamp,
2150 int flag, struct sock *skip_sk);
2152 void hci_sock_dev_event(struct hci_dev *hdev, int event);
2154 #define HCI_MGMT_VAR_LEN BIT(0)
2155 #define HCI_MGMT_NO_HDEV BIT(1)
2156 #define HCI_MGMT_UNTRUSTED BIT(2)
2157 #define HCI_MGMT_UNCONFIGURED BIT(3)
2158 #define HCI_MGMT_HDEV_OPTIONAL BIT(4)
2160 struct hci_mgmt_handler {
2161 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
2164 unsigned long flags;
2167 struct hci_mgmt_chan {
2168 struct list_head list;
2169 unsigned short channel;
2170 size_t handler_count;
2171 const struct hci_mgmt_handler *handlers;
2172 void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
2175 int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
2176 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
2178 /* Management interface */
2179 #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))
2180 #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \
2181 BIT(BDADDR_LE_RANDOM))
2182 #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \
2183 BIT(BDADDR_LE_PUBLIC) | \
2184 BIT(BDADDR_LE_RANDOM))
2186 /* These LE scan and inquiry parameters were chosen according to LE General
2187 * Discovery Procedure specification.
2189 #define DISCOV_LE_SCAN_WIN 0x12
2190 #define DISCOV_LE_SCAN_INT 0x12
2191 #define DISCOV_LE_TIMEOUT 10240 /* msec */
2192 #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */
2193 #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04
2194 #define DISCOV_BREDR_INQUIRY_LEN 0x08
2195 #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */
2196 #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */
2197 #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */
2198 #define DISCOV_LE_PER_ADV_INT_MIN 0x00A0 /* 200 msec */
2199 #define DISCOV_LE_PER_ADV_INT_MAX 0x00A0 /* 200 msec */
2200 #define DISCOV_LE_ADV_MESH_MIN 0x00A0 /* 100 msec */
2201 #define DISCOV_LE_ADV_MESH_MAX 0x00A0 /* 100 msec */
2202 #define INTERVAL_TO_MS(x) (((x) * 10) / 0x10)
2204 #define NAME_RESOLVE_DURATION msecs_to_jiffies(10240) /* 10.24 sec */
2206 void mgmt_fill_version_info(void *ver);
2207 int mgmt_new_settings(struct hci_dev *hdev);
2208 void mgmt_index_added(struct hci_dev *hdev);
2209 void mgmt_index_removed(struct hci_dev *hdev);
2210 void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
2211 void mgmt_power_on(struct hci_dev *hdev, int err);
2212 void __mgmt_power_off(struct hci_dev *hdev);
2213 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
2215 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
2216 u8 *name, u8 name_len);
2217 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
2218 u8 link_type, u8 addr_type, u8 reason,
2219 bool mgmt_connected);
2220 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2221 u8 link_type, u8 addr_type, u8 status);
2222 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2223 u8 addr_type, u8 status);
2224 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
2225 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2227 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2229 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2230 u8 link_type, u8 addr_type, u32 value,
2232 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2233 u8 link_type, u8 addr_type, u8 status);
2234 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2235 u8 link_type, u8 addr_type, u8 status);
2236 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2237 u8 link_type, u8 addr_type);
2238 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2239 u8 link_type, u8 addr_type, u8 status);
2240 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2241 u8 link_type, u8 addr_type, u8 status);
2242 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
2243 u8 link_type, u8 addr_type, u32 passkey,
2245 void mgmt_auth_failed(struct hci_conn *conn, u8 status);
2246 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
2247 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
2249 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
2250 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
2251 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
2252 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2253 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
2254 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len,
2256 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2257 u8 addr_type, s8 rssi, u8 *name, u8 name_len);
2258 void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
2259 void mgmt_suspending(struct hci_dev *hdev, u8 state);
2260 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
2262 bool mgmt_powering_down(struct hci_dev *hdev);
2263 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
2264 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
2265 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
2267 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
2268 u8 bdaddr_type, u8 store_hint, u16 min_interval,
2269 u16 max_interval, u16 latency, u16 timeout);
2270 void mgmt_smp_complete(struct hci_conn *conn, bool complete);
2271 bool mgmt_get_connectable(struct hci_dev *hdev);
2272 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
2273 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
2275 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
2277 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle);
2278 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip);
2279 void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle,
2280 bdaddr_t *bdaddr, u8 addr_type);
2282 int hci_abort_conn(struct hci_conn *conn, u8 reason);
2283 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
2285 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
2286 __u8 ltk[16], __u8 key_size);
2288 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
2291 #define SCO_AIRMODE_MASK 0x0003
2292 #define SCO_AIRMODE_CVSD 0x0000
2293 #define SCO_AIRMODE_TRANSP 0x0003
2295 #define LOCAL_CODEC_ACL_MASK BIT(0)
2296 #define LOCAL_CODEC_SCO_MASK BIT(1)
2298 #define TRANSPORT_TYPE_MAX 0x04
2300 #endif /* __HCI_CORE_H */